Thanks again karl for supplying such an awesome engine . i never imagined we would get the results that we managed this year . 1st in class & no5...
Read More ->

I’ve made a few purchases from Extreme Engines. Each time I’m amazed by the quality of the products an the customer service before and after my...
Read More ->

another fantastic result at prescott, thanks again karl for an awesome engine
Read More ->

Hi Karl, Just a quick note to say my engine feels fantastic after your rebuild, great power low down and incredibly drivable! First event at Doune...
Read More ->

Hi Karl, Cheers for all the great info and work, the Busa pulls fantastic ! smooth as silk. Have taken note on all your tips and will keep to them....
Read More ->